573results about "Bonded abrasive wheels" patented technology

The invention discloses an elastic diamond grinding wheel, and particularly relates to the technical field of grinding and polishing machining consumables, the elastic diamond grinding wheel comprises a thin-wall elastic metal cover and a cutter bar, the thin-wall elastic metal cover is of a hollow annular body structure, and the diameter, used for being connected with the cutter bar, of one end of the thin-wall elastic metal cover is smaller than that of the center of the thin-wall elastic metal cover; the diameter of one end of the thin-wall elastic metal cover is larger than that of the center, the diameter of the other end of the thin-wall elastic metal cover is smaller than or equal to that of the center, multiple sets of diamond abrasive particles are evenly arranged on the outer side of the thin-wall elastic metal cover, the cutter bar is arranged at one end of the thin-wall elastic metal cover, one end of the cutter bar is of a hollow structure, and a bolt is connected into the hollow end of the cutter bar through threads. The outer side of the bolt is sleeved with a gasket; according to the diamond grinding wheel, the problem that an existing electroplating grinding and polishing wheel or a brazing grinding and polishing wheel lacks flexibility can be solved, the problem that an existing overlapping wheel or an abrasive belt wheel is short in service life can also be solved, a new consumable tool is provided for automatic blade root fillet grinding, and the quality of a ground and polished blade is guaranteed.

The utility model discloses a diamond grinding brush applied to glass and ceramics, and relates to the technical field of diamond grinding brushes, the diamond grinding brush comprises a mounting disc and a diamond brush head, the front surface of the mounting disc is provided with a front positioning groove, the back surface of the mounting disc is provided with a back positioning groove, and the back surface of the diamond brush head is fixedly provided with a connecting plate; a connecting block is fixedly installed on the side, away from the diamond brush head, of the connecting plate, an inserting hole is formed in the inner side of the connecting block, and the side, close to the connecting block, of the diamond brush head is inserted into the inner side of the front positioning groove. By the adoption of the structure, after the clamping spring and one fixing bolt are taken down, the limiting frame is pulled out, and at the moment, the spring in the mounting cavity resets to push the limiting plate to move and drive the insertion block to be separated from the insertion hole of the connecting block, so that the diamond brush head can be conveniently and rapidly disassembled, assembled and replaced.

A skate blade sharpening system used to sharpen the blades of ice skates. The skate sharpener can include a housing that includes an elongated slot for receiving the blade of an ice skate for sharpening, and clamp jaws for retaining the skate. The housing can include at least one slot cover to engage the skate blade. Engagement of the skate blade can be sensed by a controller to enable sharpening operations to proceed. The skate blade sharpening system can automatically operate a grinding wheel and move the rotating grinding wheel back and forth along the lower face of the skate blade a desired number of times to sharpen the skate blade.

An abrasive article can include a core and an abrasive component attached to the core. The abrasive component may include a body including a leading end and a trailing end, wherein the leading end has a width greater than a width of the trailing end. In an embodiment, the abrasive component may include a body including a first abrasive portion and a second abrasive portion, wherein a radial width of the first abrasive portion is greater than a radial width of the second abrasive portion.

The invention relates to the technical field of piston rod machining, in particular to a hydraulic oil cylinder piston rod machining device which comprises a base, a support and an electric push rod and further comprises two spiral supporting rollers, a positioning polishing assembly, a first motor and a second motor. A piston rod to be machined is placed between the two spiral supporting rollers, the positioning polishing assembly is arranged at the output end of the electric push rod and comprises a polishing roller, and when the electric push rod is powered on and started, the polishing roller is driven to move downwards to make contact with the piston rod. By means of the spiral supporting roller, the polishing roller and the spiral scraping groove formed in the surface of the polishing roller, the piston rod can be driven to rotate and move from left to right in the rotating process of the polishing roller, the polishing roller and the piston rod are flexibly clamped, continuous polishing operation is conducted, shutdown is not needed when a new piston rod is replaced, and the production efficiency is improved. And the processing efficiency is greatly improved.

The utility model discloses a multi-petal elastic grinding wheel for grinding and repairing an outer chamfer of an aluminum oxide porcelain tube, which belongs to the technical field of aluminum oxide porcelain shell processing and comprises a grinding wheel base body. One end of the grinding wheel base body is connected with a chamfering machine power rotating shaft, and the other end is provided with a plurality of grinding wheel strips through fixing pieces. The grinding wheel strips are of a bowl-shaped structure and tend to expand from one side of the grinding wheel base body to the other side of the grinding wheel base body. When the ellipse shape of the end face of a product is irregular, the side edges of the end face make contact with the split elastic grinding wheel strips at the corresponding positions respectively and generate corresponding deformation, grinding and repairing of the outer chamfer of the oval aluminum oxide ceramic tube are achieved, and the multi-petal grinding wheel diamond grinding strips can effectively make contact with the outer edges of the ceramic tube no matter the diameter of the aluminum oxide ceramic tube and the ellipticity of the end face. And the outer chamfer of the end face is ground, so that the uniformity and consistency of the outer chamfer processing of the end face of the elliptical aluminum oxide porcelain tube are fully ensured.

The utility model belongs to the technical field of ceramic grinding roller grinding wheels, and particularly relates to a ceramic grinding roller grinding wheel which comprises a grinding wheel outer wheel, a grinding wheel inner wheel and a fixing ring, the grinding wheel inner wheel is arranged in the grinding wheel outer wheel, the fixing ring is fixedly connected to the inner wall of the grinding wheel outer wheel, an inserting groove is formed in the fixing ring, and the grinding wheel inner wheel is located in the inserting groove. The insertion grooves are matched with the insertion grooves in an insertion manner; the multiple sliding grooves are formed in the grinding wheel inner wheel and communicate with the inner wall of the insertion groove, multiple insertion blocks are slidably connected into the multiple sliding grooves correspondingly, one end of each insertion block extends to the inner wall of the insertion groove and is in insertion fit with the insertion groove, and multiple first threaded rods are in threaded connection into the multiple insertion blocks correspondingly; the ceramic grinding roller grinding wheel solves the problems that when the outer wheel is seriously abraded or fractured in the long-time use process, due to the fact that the outer wheel and the inner wheel of the ceramic grinding roller grinding wheel are of an integrated structure, a user needs to replace the whole ceramic grinding roller grinding wheel, and the replacement cost is high.

The utility model relates to the technical field of grinding tools, and particularly discloses a diamond steel-aluminum composite matrix grinding wheel which comprises a first matrix. Rotating grooves are rotationally and symmetrically formed in the first base body; a rotating block is inserted into the rotating groove; a second base body is fixedly connected to the rotating block; holes in the second base body and the first base body are in threaded connection with fasteners; a plurality of grinding blocks are sintered on the upper surface of the second base body; the second base body made of steel can be sintered and fixed with a plurality of grinding blocks at the temperature of 750 DEG C or above, and then the second base body and the first base body made of aluminum are connected and fixed through the fasteners, so that high-temperature diamond sintering is achieved, the overall weight is reduced, manual loading and unloading operation is convenient, fast and safe, damage to a grinding machine spindle is small, and the service life of the grinding machine is prolonged. And the driving power of the grinding machine can be reduced.

The invention relates to a grinding and / or polishing pad (48b; 48c) for a grinding and / or polishing machine (12a), with an abrasive interface (80a; 80b; 80c) and with at least one extraction opening (46b; 46c) arranged on a side facing away from the abrasive interface (80a; 80b; 80c). It is proposed that the grinding and / or polishing pad (48b; 48c) has at least one intake opening (78b; 78c) for drawing in ambient air, located on the side facing away from the abrasive interface (80a; 80b; 80c) and in particular on the side surface (110b).

The design of a stainless-steel cylindrical tool for manual grinding and polishing of cement-based thin sample (two cylinders one withing the other, connected by the movable threaded holder with a plate, that passes through the middle) enables very precise removal of sample layers to its thickness of 1-mm ( 1 / 32 inch) and less. The squared, young aged sample rests on the circular plate on a holder, that can be slowly and safely rotated during thin layer removal, to obtain a smooth and flat sample surface, which can produce sharp digital images in ESEM, necessary for detailed and accurate image analysis. The cylindrical tool can be reassembled. It is reusable, easy to maintain and clean. Its design is practical since inner cylinder can be replaced if damaged, with the identically designed inner cylinder or with differently designed inner cylinder adjusted to another sample size.

The utility model relates to the technical field of polishing steel wire wheel brushes, and discloses a corrugated polishing steel wire wheel brush with dense bristles, which comprises a protective ring, the bottom of the protective ring is fixedly connected with a connecting rod, a polishing component is arranged in the protective ring, the polishing component comprises a steel wire, the steel wire is arranged in the protective ring, and the connecting rod is fixedly connected with the connecting rod. The steel wire is in a corrugated shape, the bottom of the steel wire is fixedly connected with a containing plate, the bottom of the containing plate is arranged on the inner wall of the protection ring, and a limiting block is arranged on the top of the containing plate. According to the utility model, through the reasonable design of amplitude and wavelength, when the corrugated steel wire is in contact with a workpiece, the contact area is obviously increased, the surface of the workpiece is smoother and can conform to the surface of the workpiece, scratches are reduced, blockage by chippings can be prevented, the service life is prolonged, and the problems of low polishing efficiency, easiness in damaging the workpiece and easiness in blockage of the traditional straight wire brush are solved; and the practicability, durability and adaptability of the polishing wheel brush are improved.

This invention provides a backup pad with a cooling function that can contain solid carbon dioxide within the backup pad itself, enabling simple and excellent polishing work. [Solution] A backup pad with a cooling function, used attached to a polishing device, comprising a backup pad body having a storage section 13 capable of containing solid carbon dioxide inside, and a lid 20 positioned at the opening 15 of the storage section to prevent the solid carbon dioxide from falling out of the opening, the lid including a hook-and-loop fastener layer and a far-infrared radiation layer, the hook-and-loop fastener layer engaging with the polishing member 200, and the far-infrared radiation layer having a plurality of ventilation holes, the gas generated by the sublimation of solid carbon dioxide being guided to the polishing member side through the ventilation holes and the hook-and-loop fastener layer.

The application relates to a grinding wheel, in particular to a grinding wheel which can be used without frequent dressing after the grinding wheel is worn, comprising: a grinding wheel base body provided with a mounting base surface and a first axis line perpendicular to the mounting base surface; at least two grinding wheel pieces with the same outer diameter and arranged in a circle, all the grinding wheel pieces are distributed on a first circle with the first axis line as the center, and the axis lines of the grinding wheel pieces are parallel to the first axis line; the peripheral wall of the grinding wheel piece at least partially protrudes from the peripheral edge of the grinding wheel base body in the radial direction of the grinding wheel base body; a locking assembly is arranged for locking the grinding wheel piece on the grinding wheel base body; in the unlocking state, the locking assembly releases the locking force, so that the grinding wheel piece can rotate around the axis line thereof relative to the grinding wheel base body or be taken off the grinding wheel base body; when the grinding surface of the grinding wheel piece is worn, the grinding wheel piece is rotated by a certain angle around the axis line thereof, so that the unworn part of the grinding wheel piece is rotated to a working position and the grinding wheel piece can be continuously used, and thus the grinding wheel does not need to be frequently dressed.

The utility model discloses an electric polishing disc which comprises a body, the body comprises a polishing disc, an air suction disc and an outer ring disc are sequentially fixed on one side of the polishing disc from inside to outside, and a fixed disc and a base disc are sequentially fixed on the other side of the polishing disc from inside to outside. A gravity adjusting unit used for enabling the weight of the body to be evenly distributed and rotating to be stable is fixedly embedded in the air suction disc. An air suction channel for dispersing center suction of the body is formed between the inner side of the outer ring disc and the surface of the air suction disc. The polishing disc is reasonable in structural design, the gravity adjusting unit is embedded in the air suction disc, the weight of the body is evenly distributed, the purpose of being more stable during high-speed rotation is achieved, the air suction channel is formed between the inner side of the outer ring disc and the surface of the air suction disc, in the high-speed rotation process of the polishing disc, center suction force is dispersed to the periphery of the disc body, and the polishing effect is improved. And the rotating motion of the polishing disc is further stabilized, the implementation effect is good, and the use experience feeling of a user is improved.

A machining apparatus includes: a rotating shaft rotatably supported by a housing; a rotary tool detachably attached to the rotating shaft; an attachment; and a bracket. The rotary tool includes a front end surface facing in a first direction lying along an axial direction of the rotating shaft, and a rear end surface facing in a second direction opposite to the first direction. The attachment is detachably connected to the front end surface of the rotary tool. The bracket rotatably supports the attachment in a state of being supported by the housing.

Disclosed is a polishing or brushing head for a machine tool, comprising: - a plurality of shoes, each shoe being intended to receive or receiving an abrasive tool intended to come into contact with the surface of a material to be polished or brushed, each shoe being able to rotate about an axis of rotation between a first position and a second position, different from the first position, and - at least one pneumatic actuator configured to act on each shoe to cause it to oscillate about its axis of rotation between the first position and the second position.

The invention discloses a composite worm grinding wheel and a dressing method thereof.The composite worm grinding wheel is composed of a surface micro-structured grinding wheel body and a fine grinding wheel body which are axially connected into a whole, the surface micro-structured grinding wheel body adopts ultrasonic vibration to assist a single-point diamond pen in dressing, and a large number of separated-continuous oblique curve micro grooves are dressed in the tooth side face; cutting force, heat production and the temperature of a contact area are reduced by reducing the contact layer, the effective blade grinding number of the grinding wheel during grinding is increased, and the problems of blockage of the grinding wheel and thermal damage to the surface of a workpiece are effectively solved; a fine grinding working face is formed on the outer side tooth face of the fine grinding wheel, and the problem that the surface roughness is large is solved by using grinding materials with the large particle size number. The device integrates the functions of rough grinding and accurate grinding, machining is completed through one-time clamping, repeated clamping and positioning errors are reduced, materials are efficiently removed, chip removal and heat dissipation are improved, the machining precision and size consistency are improved, and the contradiction that efficiency, heat dissipation and surface quality are difficult to consider in the generating grinding process is solved.

This utility model relates to the field of abrasive technology, specifically disclosing a diamond grinding wheel with good heat dissipation, including a base connected to a grinding machine; multiple grinding wheel blocks are fixedly connected to the lower end face of the base; the side of the base is provided with a protruding edge; a free ring is rotatably connected to the upper end of the base; a limit ring is detachably fixed to the free ring corresponding to the protruding edge; an inclined air duct is inclinedly connected to the upper surface of the free ring; an external air pump and air pipe are connected through the inclined air duct, so that air with a pressure greater than one atmosphere is supplied through the inclined air duct as a driving power source, while restricting the rotation of the inclined air duct and the free ring to keep them stationary. Then, the base and grinding wheel blocks are driven to rotate by the grinding machine spindle for grinding. Then, as the base rotates, the multiple inclined air holes are sequentially connected to the inclined air duct to transport high-speed flowing air. The heat generated by the grinding of the workpiece and grinding wheel blocks in the base keeps the workpiece and grinding wheel blocks at room temperature and prevents them from expanding and deforming, thus affecting the grinding accuracy.

The present application relates to a kind of intermittent oscillating heat pipe grinding wheel for aerospace high tough difficult-to-machine material grinding and its manufacturing method.The intermittent oscillating heat pipe grinding wheel includes intermittent oscillating heat pipe pipeline, liquid working medium, body and abrasive layer.Liquid working medium is injected into intermittent oscillating heat pipe, the groove is processed on the front and back sides of body, and two intermittent oscillating heat pipes are respectively embedded into the groove and fixed by brazing, forming a whole with the body;Intermittent oscillating heat pipe pipeline is bent by a group of metal capillary tubes into more than one head-to-tail connected serpentine closed loop, each loop includes straight pipe section and elbow, and necking is processed on the straight pipe section of each loop near condensing section.In high-speed grinding condition, the necking of intermittent oscillating heat pipe pipeline generates local pressure difference, promotes the intermittent fountain flow of liquid working medium, and intermittently spouts in oscillating heat pipe pipeline, realizes the rapid heat dissipation and efficient cooling of grinding wheel.

The utility model belongs to the technical field of diamond grinding wheels, and particularly relates to a diamond grinding wheel for grinding a lead screw. The grinding wheel comprises a base body and a grinding layer. Wherein the grinding layer comprises grinding teeth, a first grinding groove and a second grinding groove; the first grinding groove and the second grinding groove are symmetrically formed in the two sides of the grinding teeth and are in smooth connection with the grinding teeth. According to the diamond grinding wheel for grinding the lead screw, the thread groove grinding part and the thread body grinding part are arranged on the grinding wheel at the same time, continuous thread grooves and thread body segments on the lead screw can be ground, and the grinding wheel is matched with translation of the grinding wheel and rotation of the lead screw and the grinding wheel; and grinding machining of all parts on the spiral groove of the lead screw can be completed at the same time.

The utility model discloses a diamond metallic bond grinding wheel which is characterized by comprising a grinding wheel base body, a rotating shaft installation hole is formed in the center of the grinding wheel base body, and the grinding wheel base body is installed on a rotating shaft of an external rotating mechanism through the rotating shaft installation hole. An abrasive ring is arranged on the edge of the grinding wheel base body, and a plurality of filling grooves or filling cavities are formed in the abrasive ring at equal intervals. And the filling groove or the filling cavity is filled with a resin material. According to the diamond metal bond grinding wheel, the friction force of the diamond metal bond grinding wheel can be reduced through structural improvement. Noise is reduced, and meanwhile excessive friction and abrasion are avoided.

To provide a gear machining tool having abrasive grains and preventing waste of the abrasive grains.SOLUTION: The gear machining tool 1 is a gear machining tool for polishing a tooth surface formed on a workpiece, and includes an annular base material blade part 12 having a plurality of blades 14 on an outer peripheral surface at one end of a shaft-like base material body part 11. And a plurality of abrasive grains provided on the rake face 14a so as to overlap a ridge line portion 15 which is a boundary between the flank face and the rake face 14a when viewed from the direction of the rotation axis C of the substrate 10, in which the abrasive grains are not provided in a region other than the ridge line portion 15 on the flank face. 14a.SELECTED DRAWING: Figure 5

The utility model discloses a detachable double-sided polishing pad which comprises a bearing cylinder, a polishing disc is sleeved outside the bearing cylinder, the polishing disc is sleeved outside the bearing cylinder, a fixed shaft is rotatably connected inside the bearing cylinder, a main gear is fixedly connected outside the fixed shaft, and a gear shaft is fixedly connected outside the main gear. And two driven gears are connected to the outer portion of the main gear in a meshed mode, screw rods are fixedly connected to the interiors of the two driven gears, the bottoms of the screw rods are rotationally connected with the lower bottom wall of a bearing cylinder, sliding blocks are connected to the outer portions of the screw rods in a threaded mode, and clamping rods are rotationally connected to a notch of the bearing cylinder. By means of the structure, the driving gear, the driven gear, the sliding block and the pulley body are matched, the pulley body can drive the clamping rod to move towards the two sides when the sliding block with the inclined face slides, and therefore the protruding part of the clamping rod can be clamped in the groove hole of the polishing disc, the clamping rod can be rapidly taken down when needing to be detached and replaced, and use is convenient.

The utility model discloses a grinding wheel, and relates to the technical field of cutting and grinding tools, in particular to a grinding wheel which comprises a grinding wheel body, a plurality of first chip removal protruding blocks are arranged on the upper surface of the grinding wheel body, distributed around the circumference of the axis of the grinding wheel body and all close to the edge of the grinding wheel body, and a plurality of second chip removal protruding blocks are arranged on the edge of the grinding wheel body. And a gap between any two adjacent first chip removal convex blocks is used for allowing cuttings to pass through. According to the grinding wheel, chips can be prevented from being accumulated between the grinding wheel body and a metal material in the process of cutting the metal material, so that the chips generated by cutting can be quickly discharged out of a cutting area, the chip removal performance of the grinding wheel is improved, and the service life of the grinding wheel is prolonged.

The invention provides a cutting tool and a manufacturing method of the cutting tool. The cutting tool comprises a cutting edge part located on the outer edge and a fixing part located in the center. The blade part comprises a binding agent and abrasive particles, the binding agent binds and fixes the abrasive particles embedded in the binding agent to form a grinding layer, and the grinding layer is used for cutting a part to be cut; the fixing part comprises a fiber structure and a binding agent, the fiber structure is added into the binding agent, the fiber structure and the binding agent are combined to form the fixing part, and the fixing part is used for fixing the cutting tool on the cutting equipment. According to the cutting tool, the cutting edge part and the fixing part are made of different materials, the cutting edge part comprises the binding agent and the abrasive particles, and the abrasive particles are embedded and fixed into the binding agent; the fixing part is formed by combining the fiber structure and the binding agent, the fiber structure is added into the binding agent and fixed, the overall stability of the cutting tool is improved, and deflection or distortion of the cutting tool in the cutting process can be effectively avoided.

The utility model relates to abrasive wheel equipment technical field especially is related to a water abrasive wheel with sawtooth structure, it includes metal matrix and tool bit. Tool bit sets up annular structure, and tool bit fixedly connected on metal matrix. The side surface of tool bit is provided with the grinding surface. The outer circumferential side of tool bit is provided with a plurality of sawteeth, a plurality of sawteeth are sequentially spaced along the circumferential direction of tool bit, and the thickness of a plurality of sawteeth is same with the thickness of tool bit. In the grinding process, the sawtooth first contacts the porcelain tile and polishes, and the gap between two adjacent sawteeth is equivalent to a cutting edge, and tool bit rotates a circle, which is equivalent to multiple feed grinding, greatly increases the grinding sharpness of product, thereby can improve the processing efficiency and grinding quality of porcelain tile.

This utility model discloses an aluminum substrate structure for a parallel grinding wheel, including an aluminum substrate, a grinding wheel, a limiting groove, a third connecting plate, an internal rotating component, a limiting component, a second connecting plate, and an internal rotating groove. The grinding wheel is fitted onto the aluminum substrate. The first connecting plate is disposed on one side of the aluminum substrate. A third connecting plate is disposed on the opposite side of the aluminum substrate away from the first connecting plate. The third connecting plate and the first connecting plate are located at the middle position of the aluminum substrate. The third connecting plate and the first connecting plate have a connecting slot. This utility model, by providing a replaceable internal rotating component within the aluminum substrate, and a limiting groove, a third connecting plate, and a limiting component for inserting and fixing the internal rotating component, allows the internal rotating component to engage with the limiting groove and be fixed within the aluminum substrate during use. The limiting component then allows for disassembly and fixation of the internal rotating component, facilitating future replacement of the internal rotating component.

The present application relates to a ceramic tile polishing head and a production device thereof. The ceramic tile polishing head comprises a polishing head, the polishing head comprising a polishing base and a polishing body; the polishing base is made of metal and is disc-shaped, and the polishing base is provided with a center hole coaxial with the center line of the disc-shaped polishing base; the polishing body is made of metal powder and is cuboid, the cross section of the cuboid is square, and the thickness of the polishing body is smaller than the width of the polishing body; the manufacturing method of the polishing head is as follows: after the bottom end surface of the polishing body and / or the top end of the polishing base is smeared with silver brazing agent; the polishing body is uniformly distributed around the axis of the polishing base along the edge of the polishing base, so that the thickness direction of the polishing body points to the axis of the polishing base; the edge of the polishing base is heated to a range of 610 to 640 DEG C through induction heating, so that the polishing body is welded and fixed with the polishing base. The present application can improve the production efficiency and reduce the cost.

This suppresses damage to the workpiece during grinding. [Solution] A grinding head for grinding an object to be ground comprises a wheel having a rotating surface and a plurality of grinding wheels arranged in a ring on the rotating surface with respect to the axis of rotation of the rotating surface. Each of the plurality of grinding wheels has a first surface that can directly contact the object to be ground and a second surface that is inclined at an acute angle with respect to the direction of travel of the grinding wheel from the rotating surface to the first surface.